Tuned® Prime™ Cement Spacer

Tuned® Prime™ cement spacer helps to deliver a dependable barrier during cementing by effective mud removal and water-wetting of both casing and formation surfaces. This allows cement to develop a strong bond and hydraulic seal in a well annulus or casing. This cement spacer is engineered to help meet the U.S. Occupational Safety and Health Administration (OSHA) respirable crystalline silica permissible exposure limit (PEL) requirement 29 CFR 1910.1053.

Help reduce personnel risk and control rheological behaviors
Tuned® Prime™ cement spacer contains a natural viscosifier and a non-hazardous scouring agent. With an over 93% reduction in crystalline silica content, Tuned® Prime™ improves safety for personnel handling and using cement spacers.  The viscosifying component of this spacer allows for predictable and efficient tailoring of spacer rheology to meet the fluid system requirements. Tuned® Prime™ cement spacer is designed to have equivalent rheology to conventional cement spacers at standard displacement rates. At lower shear rates, Tuned® Prime™ cement spacer exhibits a higher shear stress, and, at higher shear rates, it exhibits lower shear stress when compared to conventional cement spacers. Tuned® Prime™ cement spacer uses engineered particulates to function as scouring agents for more effective filter-cake removal and wellbore cleaning.

Improve surface and operational efficiencies
Surface efficiency is improved by rapid yielding of the spacer to the desired rheological properties.  Tuned® Prime™ cement spacer is dry blended with weighting agents in the bulk plant and then shipped to location.  It can be mixed on the fly or batch mixed with its mix fluid to form the spacer fluid system.  Dry surfactants can be added to the dry blend, or liquid surfactants can be added to the fluid system on location.

Features

  • Low crystalline silica
  • Tunable rheology and density
  • Engineered with scouring agents
  • Quick yielding

Benefits

  • Helps meet OSHA respirable crystalline silica PEL requirement
  • Provides rheological and density hierarchies for efficient mud removal
  • Water-wets casing and formation, improving cement bonding
  • Aids removal of filter cake from formation
  • Can be mixed on the fly

 

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